/Engine/Plugins/Experimental/VirtualProduction/VPRoles/Source/VPRoles/Public/VPRolesSubsystem.h
Subsystem for common Virtual Production roles operations. The machine role(s) in a virtual production context read from the command line. ie. "-VPRole=[Role.SubRole1|Role.SubRole2]"
[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)() class UVirtualProductionRolesSubsystem : public [UEngineSubsystem](API\Runtime\Engine\Subsystems\UEngineSubsystem)
FOnRolesChanged
OnRolesChangedBP
Delegate called when the roles are modified, ie. role is added, current roles are replaced, etc.